Home / 114,314.07-157,830.45-71,358.96

Finding the Fourth Proportional to 114,314.07, 157,830.45 and 71,358.96

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Solution

The fourth proportional to 114,314.07, 157,830.45 and 71,358.96 is: 98,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,314.07 : 157,830.45 = 71,358.96 : x
  2. Step 2: Convert to fraction form
    114,314.07/157,830.45 = 71,358.96/x
  3. Step 3: Cross multiply
    114,314.07x = 157,830.45 × 71,358.96
  4. Step 4: Simplify right side
    114,314.07x = 11,262,616,768.33
  5. Step 5: Solve for x
    x = 11,262,616,768.33/114,314.07
  6. Step 6: Final answer
    x = 98,523.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.